<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
    <title>SSH测试</title>
    <style>
        #center_div{
            position: absolute;
            top: 50%;
            left: 50%;
            width: 300px;
            height: 200px;
            margin-top:-100px ;
            margin-left: -150px;

        }
    </style>
</head>
<body>
<div id="center_div">
    <button style="width: 300px;height: 200px"><h1><a href="backLog.action">SSH待办</a></h1></button>

</div>

</body>
</html>